From ec6747005bbe544dc85de019fed7516efbea24a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9my=20Tassoux?= <rt2@rasterizedworld.com>
Date: Sun, 30 May 2021 16:14:37 +0200
Subject: [PATCH] Fix the inclusion of both cpp11 and cpp17 headers on C++17
 compilation

---
 source/utf8/cpp17.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/source/utf8/cpp17.h b/source/utf8/cpp17.h
index 34d94c0..7bfa869 100644
--- a/source/utf8/cpp17.h
+++ b/source/utf8/cpp17.h
@@ -29,12 +29,16 @@ DEALINGS IN THE SOFTWARE.
 #define UTF8_FOR_CPP_7e906c01_03a3_4daf_b420_ea7ea952b3c9
 
 #include "checked.h"
-#include "cpp11.h"
 #include <string>
 
 namespace utf8
 {
 
+    inline void append(char32_t cp, std::string& s)
+    {
+        append(uint32_t(cp), std::back_inserter(s));
+    }
+
     inline std::string utf16to8(std::u16string_view s)
     {
         std::string result;